To evaluate whether determinants of consistent condom use vary by partner type among young sexually active Kenyan men, we conducted a cross-sectional assessment of lifetime sexual histories from a sub-sample of men enrolled in a clinical trial of male circumcision. 7913 partnerships of 1370 men were analyzed. 262 men (19%) reported never, 1018 (74%) sometimes and 92 (7%) always using a condom with their partners. Condoms were always used in 2672 (34%) of the total relationships—212 (70%) of the relationships with sex workers, 1643 (40%) of the casual and 817 (23%) of the regular/marital relationships. Factors influencing condom use varied significantly by partner type, suggesting that HIV prevention messages promoting condom use with higher-risk partners have achieved a moderate level of acceptance. However, in populations of young, single men in generalized epidemic settings, interventions should promote consistent condom use in all sexual encounters, independently of partner type and characteristics.
Over the last decade there has been an increasing adoption of Integrated Pest Management on rose farms in Kenya. As a consequence, there has been a rise in secondary pests on rose plants, including in particular the citrus mealybug Planococcus citri (Risso). On cut flowerrose farms in Kenya, the presence of the predatory midge Diadiplosis megalamellae (Barnes) (Diptera: Cecidomyiidae) was observed. Therefore, a survey was carried out to quantify the occurrence of D. megalamellae and the association with mealybug infestations in commercial cut flower rose crops in Kenya. Four farms in four different regions of Kenya and eight rose varieties were surveyed. The midge D. megalamellae was present on farms located in Naivasha, Nairobi and Thika, but was absent in Nanyuki region. The midge D. megalamellae was found mainly in P. citri mealybug colonies and, although in much lower numbers, in the long tailed mealybug Pseudococcus longispinus (Targioni Tozzetti) colonies. The number of mealybugs was positively correlated with the number of number of D. megalamellae larvae suggesting increased multiplication of the D. megalamellae when the pest is present in larger numbers. The number of mealybugs increased with an increase in altitude at which a rose farm was located but there were no D. megalamellae present at the high altitude farm. The reasons for differences in mealybug population between farms is discussed along with further work needed, however, as an indigenous Kenyan predator, this midge offers potential for mealybug biocontrol on rose farms in Kenya.
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